Question

What percent of 520 is 40? round to the nearest hundredth of a percent.

Answer 1

7.6923%

Explanation:

Let y% be the percent of 520.

520y = 40

y = 0.076923...

y = 7.6923%

Answer 2

`Method\ 1:\\\\\text{What percent of 520 is 40?}\\\\(40)/(520)=(4)/(52)=(4:4)/(52:4)=(1)/(13)\\\\(1)/(13)\cdot100\%=(100)/(13)\%\approx\boxed{7.69\%}\\---------------------\\\\Method\ 2:\\\\\begin{array}{ccc}520&-&100\%\\40&-&p\%\end{array}\qquad\text{cross multiply}\\\\520p=(40)(100)\\\\520p=4000\qquad\text{divide both sides by 520}\\\\p=(4000)/(520)\\\\p\approx7.69\\\\Answer:\ \boxed{7.69\%}`